USA > Massachusetts > Middlesex County > Newton > Town of Newton annual report 1886 > Part 12
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THE WATER ORDINANCE.
The recommendation in the Board's report for 1885 in the matter of a revision of a water ordinance met with the approval of the City Council, who requested the Board to submit a draft of an ordinance embodying such changes as might seem to the Board desirable. The Board, consequently, after mature deliberation, prepared a new ordinance embody- ing such provisions as experience in the management and direction of the department has shown to be wise. This ordinance was reported to the City Council on March 22nd,
259
REPORT OF WATER BOARD.
and referred to the Committee on Ordinances, who, on June 28th, reported back to the City Council an amended ordi- nance, which, while it embodied some of the recommendations of the Board, omitted others, in the opinion of the Board, quite as important for the proper government of the depart- ment. The ordinance, reported by the Ordinance Committee, was an improvement upon that preceding it, but it is a matter of regret to the Board that its recommendations were not, at least, submitted to the City Council for its consideration. The Board feels that the water ordinance is still susceptible of considerable improvement.
METERS.
To January 1st, 1886, as shown by our last report, there were in use on the works nine hundred and ninety-eight meters; these meters, under the provisions of the water ordi- nance then in force, had been furnished and set by the depart- ment for water takers applying for them, at the expense of the applicant who was also to bear the expense of keeping them in repair and in perfect registration. Under this sys- tem there were further set, in 1886, seventy-five meters. The new ordinance, however, made a very important and radical change in the system of assessing water rates. By its provisions all service pipes supplying other fixtures than ordinary faucets for domestic use must be metered. The meters are furnished, set, maintained and to be renewed by the department, the water takers paying an annual rental for their use and being at no other expense in connection there- with except to protect them against frost or repair all frost damage. This change necessitated the purchase of a large number of meters and the Board contracted with the National Meter Co. for one thousand Crown meters for delivery from time to time to March 1st, 1887.
260
REPORT OF WATER BOARD.
In making this contract the Board was guided by its own experience with this meter, which has been used by the department since 1880 and the record of which has been highly satisfactory.
At the close of the year five hundred and twenty-five of these meters had been set, and they will all be in place, ready for use, by March 1st next, the beginning of the new water year.
ADDITIONAL SUPPLY.
In the report of the Water Board to the City Council for the year 1885 it was stated that the Water Board, in behalf of the city, had entered into a contract with the Manhattan Artesian Well Company for furnishing the city with an addi- tional water supply, by means of driven wells, of not less than 250,000 gallons, nor more than 300,000 gallons, per day of twenty-four hours; said amount to be determined by the results obtained on the 31st day after a continuous pumping during the preceding thirty days.
It was further agreed that the city should have the option of contracting with said company for a further supply, not to exceed 1,500,000 gallons daily, upon the terms of the agreement already made.
At a meeting holden March 31st, the Board voted to avail themselves of the aforesaid conditions of the contract and the company was requested to continue their work, the time for its completion being extended to July 1st.
Shortly after resuming work we were deprived of the service of the executive officers of the company, by a serious accident to the president and the unavoidable absence of the superintendent upon other contracts in the South; conse- quently the contract was not executed with the intelligence and energy with which it would otherwise have been. The
261
REPORT OF WATER BOARD.
contract was finally completed July 1st, and the wells were found to yield, after a careful test, as per terms of the con- tract, upon which a final payment was made, 283,000 gallons per 24 hours.
The Board feel that this addition will be a valuable auxiliary to the supply of the department in the near future.
For a full description of the work and its results we would refer you to the appended report of the Engineer.
HIGH SERVICE.
The matter of a high service supply still engages the attention of the Board and much thought has been given dur- ing the year to its consideration. It is the intention of the Board to have formulated, by the time action in the matter becomes necessary, the best possible plan for the solution of this most important problem.
CONDITION OF THE WORKS.
The usual satisfactory condition of the works has been maintained during the year. At the Pumping Station the test of the driven wells having been completed, pipes connect- ing them with the pump well were laid. The Board is now considering the matter of grading more completely the grounds about the station and the dwelling of the employees. The Board is of the opinion that it is desirable to do this work and feels that the expense would be justified by the improved appearance thereby secured.
On the fifteenth of December the Board made a contract with Frederic Tudor for steam heating apparatus to heat the dwelling house of the pumping engineer and firemen and the engine room of the Pumping Station. The apparatus is to include a horizontal steel tubular boiler, which, besides being used for heating purposes when the other boilers are not being
262
REPORT OF WATER BOARD.
used, is intended to furnish steam for the jackets of the engines ; the steam can be furnished for this purpose at a much higher pressure than is necessary to run the engines, thus effecting a higher duty. It has heretofore been necessary, when not pumping, to use one of the large boilers to heat the engine room and in the opinion of the Board the change will be an economical one. The contract price is $1550 and the work is to be completed within thirty days from date.
At the filter basin and reservoir but little work has been needed except that usually required to keep them in good order and condition. The basin has been kept free from vegetable growth and no complaints have been received of the quality of the water attributable to such contamination.
The usual care has been taken to preserve the good quality of the water in the mains and where the circulation is imper- fect the mains have been frequently flushed. The Board has now under consideration the expediency of making a number of short extensions to complete circulation to obviate the necessity of their constant flushing, which is a source of con- siderable expense and greater trouble.
APPENDIX.
Appended will be found a description in detail of the work performed by the Department during 1886, together with an account of stock on hand, the new water ordinance and the rules recently adopted by the Board, under said ordinance, for the government of the Department.
Respectfully submitted, THE NEWTON WATER BOARD. By EDWARD W. CATE, President.
DETAILS OF EXTENSIONS MADE IN 1886.
LENGTH OF EACH SIZE IN FEET.
GATES,
HYDRANT.
CUBIC YARDS ROCK.
12-IN.
8-IN.
6-IN.
4-IN.
Ballard.
6
From Ward, north.
228
1
Beecher Place
6
From Station, north ...
362
249
1
84.
Bellevue.
1
Extended west.
317
Berkeley Place.
4
From Maple, east.
Bourne and Woodbine.
4
" Bourne, north & west
409
332
Boylston.
5
Extended east. ..
93
Chandler
2
Extended south
.
-
226
Crafts ..
2
Extended west.
83
-
Crescent and Beach.
1
Extended south
110
190
Duncklee
5
Extended west.
550
Eddy
2
Extended north. ..
457
1
-
1
From Watertown, north ..
213
Fuller
3
From Washington, east ..
661
1
1
Gibbs.
6
Extended east. .
46
177
17.
Grant Avenue
6
From Beacon, north.
270
1
1
Grove ..
4
Extended south. ..
820
Hartford .
3
From Walnut, west ..
1034
1978
2
3
Hyde. .
From Centre, west ...
-
317
1
Hyde ..
From Walnut, east ..
168
1
Irving. .
6
Extended south ..
-
-
107
-
-
.
-
-
-
-
.
.
-
-
370
1
-
-
-
7.
Clifton
2
From Nevada, south.
.
..
.
Total, Carried Forward ...
-
2785
6513
1544
9
7
140.8 *
263
REPORT OF WATER BOARD.
-
338
1
Hawthorn.
Homer and Cemetery Avenue
6
From Erie Avenue, south From Lenox, west ...
249
-
-
-
1
-
118
Faxon.
Floral Avenue .. .
Extended west ..
-
STREET.
WARD.
LOCATION.
32.8
370
264
DETAILS OF EXTENSIONS MADE IN 1886 (Continued).
LENGTH OF EACH SIZE IN FEET.
GATES.
HYDRANT.
CUBIC YARDS ROCK.
12-IN.
8-IN.
6-IN.
4-IN.
Brought Forward ..
2785
6513
1544
9
7
140.8
Jackson .
6
From Station, west ..
Kenrick
7
Extended east.
453
-
-
1
Kimball.
6
From Ridge Ave., south ..
181
Knowles
6
Extended south.
Newtonville Avenue.
2
Extended east.
Norwood & Clarendon Aves ..
2
From Harvard, east & so.
531
275
1
1
-
4
From Woodland Ave. so.
327
1
1
Prince.
3
From Tepmle, south.
738
1
1
13.3
Ripley
6
From Knowles, west
334
37
Off River
3
From River, north.
457
1
Station and Jackson.
6
Extended south.
1428
394
2
2
494.2
Staniford and Pine.
4
Extended west and south
1727
1
2
Sumner.
6
Extended north
142
Terrace ..
5
From Hillside, east ..
373
1
1
.
From Hyde, North
141
Walnut .
5
From Beacon, south.
1046
1
1
Watertown .
2
From Walnut, east.
454
1
1
Watertown
2
From Parsons, east ..
255
1
Wiswall .
2
From Parsons, west.
376
2.
Woodman
From Hammond, south ..
183
1
1
Woodman
6
Extended south.
107
-
-
-
-
Total
1187
4213
13938
2826
21
20
712.5
-
-
.
-
.
. .
-
-
-
1
-
I
3.2
Sumner.
6
.
.
.
. .....
.
.
.
Length of Main Pipe laid during the year 1886, 22,164 feet.
REPORT OF WATER BOARD.
STREET.
WARD.
LOCATION.
548
1
59.
166
59
-
1
.
.
Extended north.
590
Walnut.
-
Oakland Avenue.
DESCRIPTION OF MAIN PIPE LAID TO DEC. 31, 1886.
.
LENGTH OF DIFFERENT SIZES, IN FEET.
TOTAL.
DATE OF LAYING.
24-IN.
20-IN.
16-IN.
12-IN.
8-IN.
6-IN.
4-IN.
Laid previous to Jan'y 1878,
761
18,012
2,457
58,932
53,321
116,815
23,235
273,533
Laid during 1878.
180
8,391
2,085
10,656
Laid during 1879.
1,083
947
13,148
3,122
18,300
Laid during 1880
754
1,484
9,728
4,053
16,019
Laid during 1881 ..
-
484
7,449
2,483
10,416
Laid during 1882
1,211
10,416
2,605
14,232
Laid during 1883
1,242
2,656
7,941
2,304
14,143
Laid during 1884
242
8,951
983
10,176
Laid during 1885
850
2,082
11,047
3,626
17,605
Laid during 1886.
1,187
4,213
13,938
2,826
22,164
Total.
761
18,012
2,457
64,290
66,578
207,824
47,322
407,244
-
. .
. .
-
.
-
Total length of main laid to date 407,244 feet or 77.13 miles.
265
REPORT OF WATER BOARD.
-
1
266
DETAILS OF SERVICES LAID IN 1886.
IRON PIPE.
LEAD PIPE.
1
TOTAL.
4-IN.
2-IN.
11-IN.
1-IN.
2-IN.
1-IN.
¿- IN.
g-IN.
3-IN.
MONTH.
Length| in feet.
No.
No.
Length in feet.
Length in feet.
No.
Length in feet.
Length in feet.
No.
Length lin feet.
No.
Length in feet.
No.
Length in feet.
No.
Length in feet.
January .
February.
March .
1
15.20
1
5.10
1
5.30
17
398.60
1
18.60
1
141.80
9
570.10
204.80
36
1359.50
May . .
June .
114.70
1
54.40
20
457.45
1
43.50
1
66.40
17
991.10
351.70
46
2079.25
July. . .
1
13.70
1
132.80
6
127.40
7.15
13
645.80
12
229.20
32
1142.35
September
37.00
1
5.20
1
26.50
6
85.60
2
296.90
14.30
12
670.00
2
119.80
24
1255.30
October
.
November
1
136.40 ·
1
171.70
10
398.75
1
48.80
1
124.55
13
782.90
3
157.80
30
1820.90
December
1
33.80
.
.
.
1
19.70
1
86.70
8
316.10
20.40
1
83.75
11
622.00
5
393.70
29
1576.15
Total . .
2
49.00
2
301.80
4
347.50
6
477.40
98
2796.25
11
878.60
11
861.35
115
6860.95
48
2175.65
298
14748.50
.
2
65.00
3
97.10
2
111.40
7
273.50
4
121.60
·
.
.
13
332.00
3
284.30
2
45.50
9
794.90
2
148.75
29
1605.45
3
179.30
3
166.10
1
129.30
10
490.10
1
41.90
19
1020.40
August. .
.
1
317.50 ·
5
188.00
. .
1
119.20
15
942.45
10
388.20
32
.
Total iron, 3971.95 feet.
Total lead, 10,776.55 feet.
NOTE. The service pipes from main to abutters' line are, in all cases, lead.
REPORT OF WATER BOARD.
32.10
.
28.40
10
258.55
4
126.45
1
71.60
.
57.80
3
222.40
·
.
.
9
401.80
April . .
No.
Length in feet.
No.
No.
.
. .
1955.35
.
267
REPORT OF WATER BOARD.
SUPPLY PIPE LAID IN 1886.
LENGTH IN FT.
STREET.
WARD.
LOCATION.
TOTAL.
2-IN.
1}-IN.
Cemetery Ave ..
6
Extended South
115
115
Eddy Place .. . .
3
From Washing-
ton, Northı ....
203
203
Off Middle St ...
1
From Middle, North.
265
265
Reservoir
5
From Chestnut, West.
379
379
Washing'n Ave.
4
Extended East
492
49
Total
960
494
1,454
NUMBER AND LENGTHS OF SERVICES LAID TO DATE.
DATE OF LAYING.
NUMBER.
LENGTH IN FEET.
Laid to January 1878.
1,497
104,065
During 1878.
188
15,449
During 1879
232
13,670
During 1880.
228
18,039
During 1881.
267
14,675
During 1882
169
10,904
During 1883.
159
11,709
During 1884.
179
12,113
During 1885
215
12,367
During 1886
298
14,748
Total
3,432
227,739
268
REPORT OF WATER BOARD.
METERS SET.
The following meters were set during 1886: Crown 598, Worthington 1, Ball & Fitz Piston 1, Union Rotary 1, Hersey 1.
CLASSIFICATION OF METERS NOW IN USE.
SIZES.
PATTERN.
TOTAL.
3-IN.
5-IN.
2-IN.
1-IN.
1}-IN.
2-IN.
3-IN.
Union Piston ..
194
19
1
-
-
214
Union Rotary.
44
2
4
-
1
50
Worthington ... Crown .
980
-
10
16
1
2
1
1,010
Desper
-
3
-
-
-
2
2
Hersey
1
-
-
1
-
1
-
I
-
2
Total
981
540
39
24
1
2
2
1,591
-
-
299
6
3
1
309
3
Spooner
-
1
Indicators
-
-
WATER PUMPED AND CONSUMED.
There were pumped during 1886, 247,966,122 gallons, about 25,000,000 in excess of the quantity pumped in 1885. The consumption for the year averaged 675,298 gallons per day ranging from 220,915 gallons the minimum, April 7, to 1,999,537 gallons, the maximum consumption, July 9. The accompanying tables show the consumption by months since 1878.
DAILY AVERAGE CONSUMPTION OF WATER FROM 1878 TO 1886, INCLUSIVE.
MONTH.
1878.
1879.
1880.
1881.
1882.
1883.
1884.
1885.
1886.
January
286,234
309,645
386,524
406,212
445,257
526,943
449,079
532,659
533,558
February.
274,792
300,275
341,920
397,346
470,841
481,437
444,011
563,741
531,434
March .
227,484
300,048
325,996
354,168
541,149
503,804
473,193
466,218
570,673
April .
221,508
297,850
381,002
392,617
477,540
494,281
451,722
543,734
575,883
May
294,278
388,671
514,382
466,234
510,951
568,500
502,412
566,650
645,267
June.
369,844
455,924
719,348
475,573
646,752
719,838
679,588
835,919
840,520
July ..
557,446
488, 733
515,623
520,529
764,985
818,209
626,404
870,227
1,052,536
August
386,916
502,418
540,408
510,214
944,486
1,042,608
560,032
660,262
742,347
September
374,517
387,366
530,826
550,974
712,994
882,348
663,817
673,137
716,465
October.
343,431
370,238
419,474
467,155
601,595
511,039
552,219
580,189
678,351
November.
304,208
361,446
387,683
440,689
520,945
482,570
476,116
529, 666
611,504
December
297,890
336,777
364,196
426,752
501,669
460,994
497,075
532,023
592,510
Daily average ..
328,212
374,949
452,032
450,705
594,930
624,381
532,804
614,968
675,298
REPORT OF WATER BOARD.
269
270
REPORT OF WATER BOARD.
RECEIPTS FOR THE YEAR 1886.
Received on account of water rates . $34,213 63
Received on account of * meter rates . . 21,861 54
Received on account of service and meter account 6,311 50
Received on account of construction account 929 78
Received on account of maintenance account 6 00
Total receipts for the year . . $63,322 45 *Including $1,714 29 for water used in 1886 for str et sprinkling paid for January 15 1887.
EXPENDITURES FOR THE YEAR 1886.
Maintenance Account.
Amount of appropriation $13,000 00
Received from'stove sold 6 00 $13,006 00
Expense of Registrar's office, in- cluding salary of Registrar,
Inspector, clerk-hire, travel- ling and miscellaneous ex- penses . . $3,184 14 .
Expense of Superintendent's of- fice, including salary of Superintendent, clerk-hire, travelling, miscellaneous and pipe-yard expenses
1,996 47
Expense of pumping station, in- cluding salary of engineer,
fireman, fuel, repairs, etc., Expense of maintaining reservoir 733 32
4,864 58
Amounts carried forward,
$10,778 51
$13,006 00
271
REPORT OF WATER BOARD.
Amounts brought forward, $10,778 51 $13,006 00
Expense of maintaining mains 560 94
Expense of maintaining hydrants
222 80
Expense of maintaining services 182 58
Expense of maintaining filter basin .
822 98
Expense of maintaining stand pipes
87 20
Expense of maintaining city
teams .
193 35
Expense of maintaining drinking posts ·
21 75
Expense of maintaining watering troughs
32 57
Expense of maintaining tools
89 83
Total
$12,992 51
$12,992 51
Balance, unexpended .
13 49
SERVICE AND METER ACCOUNT.
Amount of appropriation
$6,000 00
Expended for new services . $2,930 03
Expended for new meters 2,014 53
Expended for maintaining ser-
vices .
139 85
Expended for maintaining meters 338 45
Expended for inspection 387 53
Expended for city teams
188 47
Total
$5,998 86
Balance, unexpended, . $1 14
272
REPORT OF WATER BOARD.
REBATE ACCOUNT.
Amount of appropriation . $500 00
Amount refunded to water-takers who, after paying in advance water rent in full for the year, vacated their houses and had the water shut off therefrom by the depart- ment 351 07 .
Balance, unexpended
$148 93
CONSTRUCTION ACCOUNT.
Expended for new mains $19,690 80
Expended for new hydrants
2,661 41
Expended for new services
5,832 99
Expended for new stand pipes .
189 97
Expended for new water gates
789 04
Expended for new tools and repairs
1,189 14
Expended for new gate boxes
509 81
Expended for filter basin connection
737 55
Expended for new meters
7,234 42
Expended for city teams . 264 53
Expended for pumping station improvements
42 49
Expended for pumping station dwelling
40 70
Expended for meter testing room . .
26 79
Expended for pumping station drain
105 01
Expended for pumping station heating appara-
tus
49 25
Expended for pumping
station additional
supply
5,732 70
Expended for sundries
7 09
Total
$45,103 69
Cr. By receipts during the year
929 78
Net expenditure during 1886 .
44,173 91
Net expenditure to Dec. 31, 1885
999,315 72
Net expenditure to Dec. 31, 1886, .
$1,043,489 63
.
273
REPORT OF WATER BOARD.
STATEMENT OF SERVICES IN USE DECEMBER 31, 1886.
Number of services laid throughout the city December 31, 1886 . 3,432
Number of services shut off for non-pay- ment, remaining off December 31, 1885 6
Number of these turned on during the past year 0
-
Leaving of these still shut off 6
Number of services shut off for non-pay- ment during the past year 3 Number of these turned on again during the year . 2
Leaving of these still shut off 1
Number of services shut off by request,
remaining off December 31, 1885 . 151 Number of these turned on during the past year 65
Leaving of these still shut off 86 Number of services shut off by request during the past year . 300
Number of these turned on again during the year . . 224
Leaving of these still shut off 76
Number of services once turned on, re- maining off December 31, 1886 169
Number of services never turned on .
116
-
Total number of services remaining off December 31, 1886 285
Leaving number of services in use December 31, 1886, 3,147
274
COMPARATIVE STATEMENT OF RECEIPTS AND EXPENDITURES FROM 1878 TO 1886.
EXPENDITURES.
RECEIPTS.
YEAR.
WATER RATES.
DEFICIT.
INTEREST.
MAIN- TENANCE.
SERVICES AND METERS.
TOTAL.
FROM CITY.
OTHER SOURCES.
SERVICES AND METERS.
TOTAL.
1878 .. . . $44,800 00
$9,777 69
$6,997 45
$61,575 14
$5,896 74
$17,598 33
$5,280 55
$25,775 62
$35,799 52
1879 .. . .
45,500 00
8,841 20
4,860 57
59,201 77
6,132 50
21,023 02
3,138 68
30,294 20
28,907 57
1880 ..
. ..
47,750 00
9,223 70
4,212 24
61,185 94
8,919 00
24,815 58
6,192 40
39,926 98
21,258 96
1881 ....
48,900 00
12,682 49
4,951 20
66,533 69
8,533 18
26,953 10
5,206 48
40,692 76
25,840 93
1882 .. .
49,600 00
13,811 62
5,590 63
69,002 25
8,729 01
32,703 38
5,454 59
47,886 98
21,115 27
1883 . ..
50,900 00
16,266 01
5,498 65
72,664 66
12,851 22
36,476 73
5,727 50
55,055 45
17,609 21
1884 ..
52,500 00
13,351 94
5,584 97
71,436 91
12,127 56
37,641 45
5,879 38
55,648 39
15,788 52
1885 ... .
53,100 00
12,873 49
6,471 25
72,444 74
14,278 89
39,567 77
5,471 52
59,318 18
13,126 56
1886 .. .
54,380 00
12,986 51
5,998 86
73,365 37
12,891 29
43,183 88
6,311 50
62,386 67
10,978 70
REPORT OF WATER BOARD.
ADDITIONAL SUPPLY-REPORT OF ENGINEER.
OFFICE OF CITY ENGINEER,
WEST NEWTON, September 30th, 1886.
To the President and Members of the Water Board.
GENTLEMEN :- I would respectfully report that I have completed the pumping test, made to determine the amount of water which can be obtained from the well tubes, driven under the direction of the Manhattan Artesian Well Com- pany of New York City as per contract with the city of New- ton to furnish an additional supply of water by the means of driven wells.
Before detailing the results of the pumping test a review and description of the work performed may be of interest.
In order to determine accurately the various strata through which the pipes were being driven, and to insure the perfect condition of the perforated or slotted pipe which was to form a portion of the walls of the wells, drive pipes, two inches larger in diameter than that intended to be used for the well, were first driven to bed rock or into the hard pan overlaying the bed rock. Inside of these the permanent well pipes were lowered, to which were attached a piece of slotted pipe of such a length as the strata of course water-bearing material would warrant, and the drive pipes withdrawn.
Under the first portion of the contract, six inch drive pipes and four inch well pipes were used and nine pipes were driven, two of which struck boulders before reaching a coarse stratification, and three of the pipes driven developed a strati- fication too thin to be of value and there were but four effective well tubes left in the ground.
Under the second portion of the contract, five pipes were driven, four operative, and one inoperative on account of the
276
REPORT OF WATER BOARD.
slotted pipe being put in longer than the stratification would warrant. Work was commenced under the first contract Nov. 30, 1885, and completed Feb. 9, 1886. Under the second contract work was commenced April 24, 1886, and completed July 1, 1887.
In order to test the capacity of the wells they were temporarily connected together by a six inch suction pipe, enlarging into an eight inch suction, and connected to a 10x 16x18 Knowles pump, placed at the same elevation as the high pressure pump in the basement of the pumping station, in order to conform to all of the conditions of the contract. A six inch force main was laid from the pump to the pump well.
The accompanying plan will show the location of the wells with respect to the pumping station and filter basin. There are also shown two 2 1-2 inch and one 2 inch tube which were driven outside of the system and were used to determine the level of the ground water during the test.
A preliminary test to determine approximately the capacity of the wells was begun at noon, July 19. It may be of interest to note that by running the pump at about 40 strokes per minute, the elevation of the water in the test tubes was lowered from 15 to 17 feet in thirty minutes and from 20 to 22 feet in two hours. Upon reducing the speed of running the pump to 27 strokes per minute the elevation of the water in the test wells was from 16 1-2 to 19 feet and represented by measurements taken in the pump well, a yield of 325,000 gallons per 24 hours. A thermometer was hung so that the water as it was discharged from the pipe must pass over and about it. Readings were taken several times during each day and at no time did the temperature vary from 50 degrees F.
Pumping was continued each day from about 8 o'clock A. M. to 5 o'clock P. M. from July 19th to August 2nd and it was
277
REPORT OF WATER BOARD.
found that the pumps could be run from 27 to 30 strokes per minute, lowering the ground water as shown from measure- ments taken in the test tubes from 16 to 19 feet and showing a yield of 309,000 to 335,000 gallons per 2+ hours. Each day the recovery of the level of the ground water was noted and found to vary but little from 12 to 14 feet in thirty minutes, with a full recovery before the next morning.
In order to determine approximately what effect each well had on the total yield a series of tests were made by cutting each well out of the system with the following results and in the following manner.
The full set were drafted upon until the ground water had reached its normal flow, when a measurement was made. of its yield. The extreme wells were cut off from the' set, one by one, in their regular order, until the draft was upon a single well. The yield from each set was as follows :-
Drafting from 8 wells the yield was 363,000 gallons per 24 hours.
66
66
7
66
66
6
66
66
66
:6 323,900 66
66
66 66
66
66
5
66
66
66
66 271,800
66
66
66
66
66
66
66
3
66
66
66
66
66
2
66
6:
66
66
66
66
66
66
66
1
66 66 66 66
66 66
66
66
66
66 66
66 66
66 66
66
66
4
66
66
269,300
66
66
66
66
66
66 352,000
66 259,200 185,830 170,000
66
66
66
The final test upon which payment was to be made was begun at 8 o'clock A. M. Aug. 19th. The pump was run at a rate to insure the draft upon the ground water to the limit of its suction lift, which was found by gaugings in the test tubes to be between 22 and 23 feet, or, as indicated by the vacuum gauge, 22 to 25 inches. After running about four days the yield diminished suddenly from over 300,000 gal- lons to about 110,000 gallons per 24 hours. The level of the ground water could not be reduced more than eleven feet and the vacuum gauge showed 10 inches. An examination of the
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